‐
3
‐
■
EPDT-197
■
4. Installation and operation
4.1 Precautions for installation
Caution
(1) The noiseless heater should be mounted 300mm or more from the tank’s walls and
bottom. (Refer to 4.2 Example of piping)
*
Vibration may occur in a tank by the flow of a liquid.
(2) Use it within the maximum warning sound temperature limit.
*
Vibration in a tank and piping occurs.
(1) In order to obtain a result as planned, please fully utilize the nominal size selection
chart.
(2) There are various methods in attachment and please take into consideration the
blow-off position with the size of a tank etc. (Refer to 4.2 Example of piping)
(3) Submerge the product in the tank. If it is unavoidable, keep it as close to the water
surface as possible. (Refer to 4.2 Example of piping)
When using the method shown in Fig. 3, make the L dimension as short as
possible.
(4) VB-7 vacuum relief valve is recommended in the piping in order to prevent a back-
flow condition when the steam is stopped.
4.2 Example of piping
Fig.1
Fig.2
